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Finding the Fourth Proportional to 50,688.80, 76,162.80 and 44,986.40

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Solution

The fourth proportional to 50,688.80, 76,162.80 and 44,986.40 is: 67,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688.80 : 76,162.80 = 44,986.40 : x
  2. Step 2: Convert to fraction form
    50,688.80/76,162.80 = 44,986.40/x
  3. Step 3: Cross multiply
    50,688.80x = 76,162.80 × 44,986.40
  4. Step 4: Simplify right side
    50,688.80x = 3,426,290,185.92
  5. Step 5: Solve for x
    x = 3,426,290,185.92/50,688.80
  6. Step 6: Final answer
    x = 67,594.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.